对英国人我们一无所知。

We knew nothing about the British.

youdao

我们打开了一个时空舱，它来自我们一无所知的时空。

We opened a time capsule from a time and place that we knew nothing about.

youdao

对许多事情，我们都有公式和方程式，但是恐惧到了什么程度上会被冲破，我们一无所知。

We have formulas and equations for many things, but not for the point at which fear breaks.

youdao

Because we had this kind of antiseptic separation between suffering and non-suffering until we are the one suffering.

而我们一无所知，这是因为一道坚固的高墙隔开,我们和身处苦难的人们,直到我们亲自尝到苦难，这种隔离才会消失。

普林斯顿公开课 - 人性课程节选

In fact, even if you haven't had a biology class it's hard to be alive in 2008 and not know something about DNA; it's become such an important part of our lives.

实际上,即使你们没有上过生物课,也不可能活在当下却对DNA一无所知,它已经与我们的生活密不可分

耶鲁公开课 - 生物医学工程探索课程节选